Given Google's other tracking practices (X-Client-Data and leaky modern APIs like AudioContext), very unlikely. X-Client-Data cannot be disabled (it's hard-cod

Given Google's other tracking practices (X-Client-Data and leaky modern APIs like AudioContext), very unlikely. X-Client-Data cannot be disabled (it's hard-coded) and ships telemetry to DoubleClick without disclosure. Google Chrome is the DoubleClick browser. Why else would DoubleClick be hardcoded into the source as a place to send telemetry?